The ability of sodium polyphosphate (P) to alter postmortem pH declines and
pork quality was Investigated. Hams from electrically stimulated carcasses
were injected 18 min postmortem with P or sodium bicarbonate (SB). P and S
B reduced (P<0.001) pH decline and improved (P<0.05) color. P and SB admini
stration improved water-holding capacity as indicated by reductions (P<0.05
) in drip loss, thaw loss, and cooking loss values. P and SB also reduced (
P<0.001) shear values. These data showed delivery of P and SB was effective
in altering postmortem pH declines and improving the quality of pork.